Lymphocyte Subset Panel 5
Test Code
Clinical Significance
Lymphocyte Subset Panel 5 - This panel is used to measure CD4+ T cells (CD4) in the blood (absolute CD4 cell count, %CD4, absolute lymphocytes). The CD4+ T-cell (CD4) count is the most valuable indicator of immune status in HIV-infected individuals. This panel can be used to establish a baseline CD4 level and to monitor treatment progress. It can also be used to facilitate differential diagnoses between congenital and acquired immunodeficiency diseases [1].
A significant reduction in CD4 count can lead to opportunistic infections, and the CD4 cell count/percentage can he used to make decisions regarding opportunistic ...
Test Resources
Test Details
Methodology
Reference Range(s)
Alternative Name(s)
Preferred Specimen(s)
5 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Collection Instructions
If a CBC is also required, a separate EDTA (lavender-top) tube must be submitted.
Transport Container
5 mL (or 3 mL pediatric) EDTA (lavender-top ) tube
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 72 hours
- Refrigerated: Unacceptable
- Frozen: Unacceptable
Reject Criteria
Hemolysis • Lithium heparin (green-top) tube • ACD (yellow-top) tube • Clotted
Setup Schedule
Refrigerated: Unacceptable
Frozen: Unacceptable